HarperCollins · Houghton Mifflin · Klett-Cotta
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) | |
|---|---|---|---|---|
| Der Herr der Ringe, Gollum | 978-3-608-93598-1 (3-608-93598-3) | 2003 | John R. R. Tolkien · Peter Torberg | |
| Gollum | 978-0-00-717057-9 (0-00-717057-2) | 2003 | ||
| Gollum: A Behind the Scenes Guide of the Making of Gollum | 978-0-618-39104-2 (0-618-39104-5) | 2003 | ||